package com.classtest.DemoExpend.config;

import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;

@Configuration //全局配置类-跨域请求
public class WebConfig extends WebMvcConfigurerAdapter {

    @Override
    public void addCorsMappings(CorsRegistry registry) {
        /*
         * 1.允许跨域访问路径（所有路径）
         * 2.请求来源（端口）
         * 3.方法跨域
         * 4.允许携带
         * 5.最大响应时间
         *
         * */
        registry.addMapping("/**")
                .allowedOriginPatterns("*")
                .allowedMethods("GET","POST","PUT","OPTIONS","DELETE")
                .allowCredentials(true)
                .maxAge(3600);
    }
}